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Forum Discussion
2TB WD20EARS HCL Advanced Format 4k Sectors TLER LCC WDidle3
EDIT: This thread was written before the Readynas group had recognized and addressed the WD Advanced Format HDD's. An issue that remains to this day is the massive LCC(Load Cycle Count) increases due ...
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
nas-05 8G 302 99 212202 71 107321 26 1302 99 277330 34 942.3 24
Latency 29253us 152ms 145ms 18990us 41966us 394ms
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
nas-05 256 25163 74 253426 99 19293 48 28168 81 325141 99 8949 23
Latency 177ms 887us 369ms 120ms 75us 1072ms
16146896+0 records in
16146896+0 records out
8267210752 bytes (8.3 GB) copied, 59.0743 seconds, 140 MB/s
2 - 8G - 8073448
System tested at 72% used capacity with 9 iSCSI LUNs (0% fragmentation), 4 LUNs in light to moderate use by MS SQL databases.
Judging by the file timestamps, it appears Bonne++ took about 6 minutes to run:
-rwxrwxrwx 1 nobody nogroup 2 2010-05-12 11:11 coef.txt
-rw-r--r-- 1 nobody nogroup 105 2010-05-12 11:17 DD_result.txt
drwxr-xr-x 4 nobody nogroup 4096 2010-05-12 11:15 previous
-rw-r--r-- 1 nobody nogroup 3412 2010-05-12 11:15 Result.html
-rw-r--r-- 1 nobody nogroup 801 2010-05-12 11:15 Result.txt
drwxrwxrwx 2 nobody nogroup 4096 2010-05-12 11:15 tmp
-rw-r--r-- 1 nobody nogroup 17 2010-05-12 11:11 variables.txt
ReadyNAS Pro Business
4 GB RAM
6x 300 GB WD Velociraptors
RAID Level X-RAID2, 6 disks
Status: Redundant
1001 GB (72%) of 1371 GB used
No space allocated for snapshots
RAID Disks:
Ch 1 : WDC WD3000HLFS-01G6U0 [279 GB] 274 GB allocated
Ch 2 : WDC WD3000HLFS-01G6U1 [279 GB] 274 GB allocated
Ch 3 : WDC WD3000HLFS-01G6U0 [279 GB] 274 GB allocated
Ch 4 : WDC WD3000HLFS-01G6U0 [279 GB] 274 GB allocated
Ch 5 : WDC WD3000HLFS-01G6U0 [279 GB] 274 GB allocated
Ch 6 : WDC WD3000HLFS-01G6U0 [279 GB] 274 GB allocated
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